SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('a6ae16d3245dc0c6109d8d59697af6d7','0','3.145.105.108','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714394288','thread.php?goto=nextnewest&threadid=5080&sid=10405f0b538b100563bddb2b0dcfe20a','0','0','')
mysql error: Duplicate entry 'a6ae16d3245dc0c6109d8d59697af6d7' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 29.04.2024 @ 14:38
Script: /thread.php?goto=nextnewest&threadid=5080&sid=10405f0b538b100563bddb2b0dcfe20a
Referer: